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Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceProperty String value The value of the property Since: Jakarta Persistence (JPA) 1 .0

- if attribute of the given name is not present in the managed type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceContext String name (Optional) The name by which the entity manager is to be accessed in the environment referencing context; not needed when dependency injection is used. Default: "" Since: Jakarta Persistence (JPA) 1 .0

: IllegalArgumentException - if attribute of the given name is not declared in the managed type. Since: Jakarta Persistence (JPA) 1 .0

must have the same name. Default: "" Since: Jakarta Persistence (JPA) 1 .0

of the given name is not present in the managed type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceContext PersistenceContextType type (Optional) Specifies whether a transaction-scoped persistence context or an extended persistence context is to be used. Default: PersistenceContextType.TRANSACTION Since: Jakarta Persistence (JPA) 1 .0

: IllegalArgumentException - if attribute of the given name is not declared in the managed type. Since: Jakarta Persistence (JPA) 1 .0

: SynchronizationType.SYNCHRONIZED Since: Jakarta Persistence (JPA) 2. 1

: Collection-, Set-, List-, and Map-valued attributes. Since: Jakarta Persistence (JPA) 1 .0

whose load state is to be determined Returns: false if the entity has not been loaded, else true. Since: Jakarta Persistence (JPA) 1 .0

attributes. Returns: declared Collection-, Set-, List-, and Map-valued attributes. Since: Jakarta Persistence (JPA) 1 .0

name. Throws: IllegalArgumentException - if attribute of the given name is not present in the managed type. Since: Jakarta Persistence (JPA) 1 .0

declared in the managed type. Since: Jakarta Persistence (JPA) 1 .0

in the managed type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnit String name (Optional) The name by which the entity manager factory is to be accessed in the environment referencing context; not needed when dependency injection is used. Default: "" Since: Jakarta Persistence (JPA) 1 .0

of the given name is not declared in the managed type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnit String unitName (Optional) The name of the persistence unit as defined in the persistence.xml file. If specified, the persistence unit for the entity manager factory that is accessible in JNDI must have the same name. Default: "" Since: Jakarta Persistence (JPA) 1 .0

.spi.PersistenceProvider" or remove PERSISTENCE_PROVIDER field and also update TCK signature tests. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.MapAttribute Class getKeyJavaType() Return the Java type of the map key. Returns: Java key type. Since: Jakarta Persistence (JPA) 1 .0

Returns: false if entity's state has not been loaded or if the attribute state has not been loaded, else true. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Field in jakarta.persistence.Persistence providers Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.MapAttribute Type getKeyType() Return the type representing the key type of the map. Returns: type representing key type. Since: Jakarta Persistence (JPA) 1 .0

in the managed type. Since: Jakarta Persistence (JPA) 1 .0

of the given name is not declared in the managed type. Since: Jakarta Persistence (JPA) 1 .0

present in the managed type. Since: Jakarta Persistence (JPA) 1 .0

of the given name is not declared in the managed type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Metamodel Set getManagedTypes() Return the metamodel managed types. Returns: the metamodel managed types. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Metamodel Set getEntities() Return the metamodel entity types. Returns: the metamodel entity types. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Metamodel Set getEmbeddables() Return the metamodel embeddable types. Returns am empty set if there are no embeddable types. Returns: the metamodel embeddable types. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.PluralAttribute CollectionType getCollectionType() Return the collection type. Returns: collection type. Since: Jakarta Persistence (JPA) 1 .0

: IllegalArgumentException - if not an entity. Since: Jakarta Persistence (JPA) 1 .0

: the metamodel managed type. Throws: IllegalArgumentException - if not a managed class. Since: Jakarta Persistence (JPA) 1 .0

type. Throws: IllegalArgumentException - if not an embeddable class. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.SingularAttribute Type getType() Return the type that represents the type of the attribute. Returns: type of attribute. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.StaticMetamodel Class value Class being modelled by the annotated class. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Type PersistenceType getPersistenceType() Return the persistence type. Returns: persistence type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Type Class getJavaType() Return the represented Java type. Returns: Java type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.PluralAttribute Type getElementType() Return the type representing the element type of the collection. Returns: element type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.SingularAttribute boolean isId() Is the attribute an id attribute? This method returns true if the attribute is a simple id , an embedded id , or an attribute of an id class . Returns: boolean indicating whether the attribute is an id. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.SingularAttribute boolean isVersion() Is the attribute a version attribute? Returns: boolean indicating whether the attribute is a version attribute. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.SingularAttribute boolean isOptional() Can the attribute be null? Returns: boolean indicating whether the attribute can be null. See Also: jakarta.persistence.Basic.optional Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute boolean isAssociation() Is the attribute an association. Returns: boolean indicating whether the attribute corresponds to an association. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute boolean isCollection() Is the attribute collection-valued (represents a Collection , Set , List , or Map ). Returns: boolean indicating whether the attribute is collection-valued. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Bindable BindableType getBindableType() Return the bindable type of the represented object. Returns: bindable type. Since: Jakarta Persistence (JPA) 1 .0

_TYPE , the Java type of the represented entity or attribute is returned. Returns: Java type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute PersistentAttributeType getPersistentAttributeType() Return the persistent attribute type for the attribute. Returns: persistent attribute type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute ManagedType getDeclaringType() Return the managed type representing the type in which the attribute was declared. Returns: declaring type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute Class getJavaType() Return the Java type of the represented attribute. Returns: Java type. Since: Jakarta Persistence (JPA) 1 .0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute Member getJavaMember() Return the java.lang.reflect.Member for the represented attribute. Returns: corresponding java.lang.reflect.Member . Since: Jakarta Persistence (JPA) 1 .0